Analytical commentary for sample AD28149 dated November 29, 2001, noting no unusual compounds but low recovery rates for LCS standards.
NYC-WTC_000033765–000033779Folder label: “GCMS X 11/20/01 A 11/26/01”
OCR status: ok · source: pdftotext
NYC 9/11 Public Portal Document
Library Search Compound Report Data File C:\HPCHEM\1\DATA\NOV2 601\28159.D Vial: 21 Acq On 27 Nov 2001 6:15 am Operator: 209 GALOS Sample 11/20 scan Inst : GC/MS 209 Mise Multiplr: 1.00 MS Integration Params: LSCINT.P Quant Method : C:\HPCHEM\1\METHODS\GCMS1126.M (RTE Integrator) Title : 209 625/TCLP calibration table Library : C:\DATABASE\NBS75K.L ********************************************************************* Peak Number 4 1,2-Benzenedicarboxylic acid, Concentration Rank 4 R.T. EstConc Area Relative to ISTD R.T. 39.60 1.65 ug/1 292113 Perylene-d12 37.12 Hit# Of 5 Tentative ID MW MolForm CAS# Qual 1 1,2-Benzenedicarboxylic acid, bis(t 310 C14H22O4Si2 002078-22-0 25 2 Propanoic acid,/2-oxo-3-(trimethyls 232 C9H20O3Si2 055887-51-9 22 3 Ethanedioic acid, bis(trimethylsily 234 C8H18O4Si2 018294-04-7 16 4 Silane, [(1- thyl-1,3-propanediyl) 234 C10H26O2Si2 056771-47-2 16 Abundance Scan 3764 (39.602 min): 28159.D (-) m/z 73.00 100.00%
7 73 147 221 5000 281 355 TPTT i । । I t t । । i । । । i i rr ITT 39.20 39.40 39.60 39.80 40.00 49 , 96 117 . 191... -2344 mmmm 327 I mt 401 429 m/z 147.00 76.34% TTTTTTTTTTpTT TTTTTTT]T IT mz-> 40 60 80 100120140160180200220240260280300320340360380400420 Abundance #72972:1 2-Benzenedicarboxylic acid, bis(trimethylsilyl) e 147
73 5000 ------------------- 39.20 39.40 39.60 39.80 40.00
1 45 295 m/z 221.00 56.75% 119 , mpmTTH , 193 221 J TTTmpm"T .||T|. n 1111 111 11 11 11 U I |.. i. | . 11111 11 11 miz-> 40 60 80 100120140160180200220240260280300320340360380400420 Abundance #30222: Propanoic acid, 2-oxo-3-(trimethylsilyl)-, trimethy 147 73 ----- ! I ri I | I I 4 T TTTMTTTTITT 39.20 39.40 39.60 39.80 40.00 5000 rn/z 281.00 27.12% 45 217 117.. TNTmT 189 . I m/z-> ‘ ‘ 40* Go 80100120140160 180200220240280280300320340360380400420 TTT Abundance #71006: Ethanedioic acid, bis(trimethylsilyl) ester 73 39.20 39.40 39.60 39.80 40.00 m/z 207.00 23.30% 147 5000
45 I I 190 219 117 “Tgr TTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTT TTTgggTTg m/z—> 40 60 80 100 120 140 160 180 200 220240 260280 300320 340 360380 400420 39.20 39.40 39.60 39.80 40.00
28159.D GCMS1126.M Wed Nov 28 11:15:56 2001 Page 4
NYC-WTC_000033775
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Ranked by indexed similarity. Reasons describe shared subjects and filing context; check the source records.
NYC-WTC_000033800
Analytical commentary for sample AD28157 dated November 29, 2001, noting no unusual compounds but low recovery rates for LCS standards.
1 shared non-person entities · 1 shared topics · Same agency, volume and box · similarity 0.999
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000033834
Analytical commentary for sample AD28155 dated November 29, 2001, noting detection of bis(2-Ethylhexyl)phthalate and low recovery rates.
1 shared non-person entities · 1 shared topics · Same agency, volume and box · similarity 0.998
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000033752
Analytical commentary for sample AD28159 dated November 29, 2001, noting no unusual compounds but low recovery rates for LCS standards.
1 shared topics · Same agency, volume and box · similarity 0.998
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000034331
Laboratory report documenting GCMS analysis of sample AD28427 conducted between November 21 and 26, 2001.
1 shared non-person entities · 1 shared topics · similarity 0.998
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000034198
Laboratory report detailing GCMS analysis of sample AD28263 conducted between November 21 and 26, 2001.
1 shared non-person entities · 1 shared topics · similarity 0.998
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000034180
Laboratory report detailing GCMS analysis of sample AD28269 conducted on November 30, 2001.
1 shared non-person entities · 1 shared topics · similarity 0.998
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000034213
Laboratory report detailing GCMS analysis of sample AD28271 conducted on December 6, 2001.
1 shared non-person entities · 1 shared topics · similarity 0.998
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000034830
Laboratory analyst notes on GCMS scan results and recovery rates for sample AD28666 analyzed in early December 2001.
1 shared non-person entities · 1 shared topics · similarity 0.998
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000034988
Laboratory report noting contamination from the TurboVap concentrator and recovery rates for sample AD28662.
1 shared non-person entities · 1 shared topics · similarity 0.997
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000034808
Laboratory analyst notes on GCMS scan results, recovery rates, and low pH conditions for sample AD28649.
1 shared non-person entities · 1 shared topics · similarity 0.997
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000034402
Laboratory report documenting GCMS analysis of sample AD28428 conducted between November 21 and 26, 2001.
1 shared non-person entities · 1 shared topics · similarity 0.997
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000034886
Laboratory analyst notes on GCMS scan results and recovery rates for sample AD28479 analyzed in early December 2001.
1 shared non-person entities · 1 shared topics · similarity 0.997
machine-extracted · confidence unavailable · Check page ↗Similar subjects in other documents. Similarity does not establish the same event, measurement or conclusion.
NYC-WTC_000018445
Laboratory report showing GC/MS calibration data for polycyclic aromatic hydrocarbons and deuterated standards.
Similarity score 0.994 (not a probability)
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000035195
Laboratory report noting low pH and TurboVap contamination with recovery data for sample AD28689.
Similarity score 0.994 (not a probability)
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000004149
Large multi-page laboratory data sheet containing sample analysis results and metadata for DEP GCMS records from January to February 2002.
Similarity score 0.993 (not a probability)
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000034331
Laboratory report documenting GCMS analysis of sample AD28427 conducted between November 21 and 26, 2001.
Similarity score 0.993 (not a probability)
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000034830
Laboratory analyst notes on GCMS scan results and recovery rates for sample AD28666 analyzed in early December 2001.
Similarity score 0.993 (not a probability)
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000034180
Laboratory report detailing GCMS analysis of sample AD28269 conducted on November 30, 2001.
Similarity score 0.993 (not a probability)
machine-extracted · confidence unavailable · Check page ↗Readers open these alongside this record — through an Ask answer, the same folder, or indexed similarity. Not a claim they are about the same event.
NYC-WTC_000033704
Department of Environmental Protection record logging GCMS X samples from November to December 2001.
Filed in the same folder
NYC-WTC_000033705
Fragmented page from a GCMS-related record dated between November 20 and 26, 2001, likely part of the WTC environmental monitoring series.
Filed in the same folder
NYC-WTC_000033707
Laboratory report of a GCMS blank analysis for sample AD28143 conducted on November 28, 2001, listing various organic compounds below detection limits.
Filed in the same folder
NYC-WTC_000033723
Calibration record for GCMS instrument 209 using method GCMS1126, dated November 26-28, 2001, listing standard compounds and retention times.
Filed in the same folder
NYC-WTC_000033726
Laboratory report of a GCMS reference analysis for sample AD28143 conducted on November 28, 2001, listing detected compounds and retention times.
Filed in the same folder